Classic public domain film, digitally preserved and free to stream forever.
The Bloody Brood (1959) is a Canadian crime drama in which a psychopathic beatnik thrill-killer adds poison to a delivery boy's hamburger on a dare, killing him. The victim's brother goes undercover in the coffee-house underground to gather evidence and bring the killer to justice.
Starring Peter Falk, Jack Betts, and Barbara Lord. This film is in the public domain and free to watch, download, and share.